When you apply for electricity supply or increase of subscribed demand, should you need to change your electrical installations, you may refer to the "Electrical Contractor List" to contact the electrical technicians for consultation and clarification of the related information and provided service.
Electrical Contractor List Disclaimer
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The “Electrical Contractor List” in Companhia de Electricidade de Macau, CEM – S.A. (CEM) is for customers’ reference only and all the information in the list is provided by the related Electrical Contractors.
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The Electrical Contractors included in the list are not certified or recommended by CEM, nor are the Electrical Contractors not included in this list the ones that are not certified nor recommended.
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CEM will not be liable for any electrical engineering work performed by any Electrical Contractors included in this list.
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Customers themselves should verify the services (including language competence) provided by the related Electrical Contractors and CEM will not be liable for any damages or losses incurred due to this usage.
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For the information related to Electrical Contractors, CEM reserves the right to delete, suspend and/or update the information contained in the list at any time without prior notice.
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CEM reserves the right to amend or interpret the disclaimer content and the updated version will replace the previous one with revising date stated at any time without further notice.
You may select based on the electrical technicians' location and/or the language they can speak.
Location:
Language:
| Company Name | Address | Language | Phone Number |
|---|---|---|---|
| ADVANCED POWER E & M CONSULTANT ENGINEERING, LTD | AV. ARTUR TAM. BARBOSA, no. 298, 13º andar - Edf. IND. PACIFICO, BL. 2 | Cantonese, English, Mandarin | 28703301, 66852524 |
| AGENCIA COMERCIAL SAFEGUARD | AVN. de D. JOAO IV, no. 15, 15° andar “E” - Edf. LEI FU | Cantonese, English, Mandarin | 28840599, 66381397 |
| ART ELECT KUAN FAI | RUA DE GOMES DA SILVA, no. 11A, R/C "A" - Edf. KEI FU LAU | Cantonese | 66621668 |
| ART. ELECT. FU VENG | RUA DE TOMAS VIEIRA, no. 14-J, R/C - Edf. KAI SENG | Cantonese | 28339518. 66683133 |
| ART.ELE.GOLDEN STAR | RUA DO REBANHO, no. 7-B, R/C - Edf. IAU KUAN | Cantonese, Mandarin | 28554663, 66898763 |
| BUENAISA MACAU | RUA DO LILAU, no. 56, R/C "D" - Edf. LONG TAN COURT | Cantonese, English, Mandarin | 66607133 |
| CAN. E INST. ELECT. MENG KEI | AVN. GENERAL CASTELO BRANCO, no. 51, 2° andar "F" - Edf. WANG ON | Cantonese | 66503522 |
| CAPSTONE CONSTRUCTION & ENGINEERING COMPANY LTD | ALM. DR. CARLOS D'ASSUMPCAO, No. 180, 16° Andar "G" - Edf. TONG NAM AH C.C. | Cantonese, English, Mandarin | 28501012, 66975901 |
| CELLCOM ELECTRICAL ENGINEERING LIMITED | AV. SON ON, 631, 1° Andar "H" - Edf. CENTRO IND. MIKI | Cantonese, Mandarin | 66809328 |
| CHAN MENG ELECTRIC | BECO DO GAMBOA, no. 8, R/C "B" - Edf. MAN LAI | Cantonese, Mandarin | 62667877 |
| CHAO MENG SOI TIN KONG CHENG | RUA DE ENTRE-CAMPOS, no. 14, R/C "C" - Edf. KONG SAN | Cantonese | 28350107, 66676381 |
| CHI HOU ELECTRICAL ENGINEERING | PATIO PILOTO, no. 20A, R/C - Edf. KIN HENG | Cantonese, Mandarin | 66836607 |
| CHI KEONG ELECTRICAL AND AIR-COND. ENG. LTD | BAR DA AREIA PRETA RUA 2, no. 40, R/C - Edf. KAM HENG LAU | Cantonese | 28343318, 66897814 |
| Chi Kuong Air Conditioner Engineering Co, Ltd | Trav. Ho Cong Loi, no.23A, R/C A - Edf. Son Keong | Cantonese, Mandarin | 28311200, 66832973 |
| CHOI SI SOI TIN CONG CHENG | EST GOVERNADOR ALBANO OLIVEIRA, no. 78E, R/C - Edf. NAM SAN, BL. 1 | Cantonese | 28820102, 66620526 |
| CHON HOI ELECT. & MECH. DESIGN ENG. CO LTD | RUA DE CENTRAL, no. 10, 5/F "H" - EDF. LONG WAN | Cantonese, English | 66867852 |
| CHON KIT AGUA ELECT. | PATIO de SILVA MENDES, no. 8, R/C - Edf. VENG VO | Cantonese, Mandarin | 66823738 |
| CHONG KEI ELECTRIC | AVN NORTE DO HIPODROMO, S/N, 9° andar "M" - Edf. WAH KING GARDEN, BL. 2 | Cantonese, Mandarin | 66660158 |
| CHONG SON E. & M. ENG. CO. LTD | AVN DE VENCESLAU DE MORAIS, no. 231, 11° "D" - Edf. Ind. NAM FONG, BL. 1 | Cantonese, Mandarin | 28225518, 66888780, 66869368 |
| CHUN LEI WATER & ELECTRIC ENGINEERING | RUA DE CORTE REAL, no. 18D, R/C "F" - Edf. VENG NAM | Cantonese, English | 66686131 |
| CIA. ENG. KATSWING E & M (Macau) LDA | RUA de BRAGANCA No. 404, BLOCO 28, 12 andar G, URBANIZACAO NOVA, TAIPA | Cantonese, English, Mandarin | 28768871, 66397231, 62243939 |
| COMP. CONST. E ENG. GROW BUILDIT LDA | Rua PADRE EUGENIO TAVERNA, Edf. TRUST LEGEND, BL. 1, 17° andar "G" | Cantonese, English, Mandarin | 66613092 |
| Comp. de Eme Pro, Limitada | Est. D. Maria II, nos. 3-21, 4° andar "A" - Edf. Ind. Duplo Dragao | Cantonese, English, Mandarin | 62647879 |
| COMP. ENG. CHON HING | ALM DR. CARLOS D'ASSUMPCAO, no. 335-341, 8° andar "W" - Edf. HOT LINE | Cantonese, Mandarin | 63877689 |
| COMP. ENG. ELECT. & DEC. KWONG CHEONG LDA | RUA CHOI LONG, Edf. IAT FAI, 5° andar "H" | Cantonese | 62952666 |
| COMP. ENG. ELECT.& ENCANAMENTO SANG WAI LDA | TRV. do PENEDO. No. 4-6, R/C “A” - Edf. VAI KENG | Cantonese | 28965347, 66560508 |
| COMP. ENG. MAYSUN | AVN DE VENCESLAU DE MORAIS, no. 209, 13° andar "B" - Edf. Ind. FEI TONG, BL. 1 | Cantonese, Mandarin | 28761610, 66611384 |
| COMP. ENG. TIM KEI, LDA | EST DE COELHO DO AMARAL, no. 149A, R/C "A" | Cantonese | 28210150, 66828668, 66886246 |
| COMP. OBRAS DE A. & E. HONG LEI | PATIO do CRAVO, no. 13, R/C “C” - Edf. SENG YU | Cantonese, Mandarin | 28924227, 66685623 |
| COMP.ENG. SENG TAI LDA | TRV. DE ANTONIO DA SILVA, no. 8A, R/C "B"- Edf. VO FUNG | Cantonese | 63861926 |
| CONSOLIDATED ENGINEERING CO., LTD | ALM DR. CARLOS D'ASSUMPCAO, no. 258, 22° andar "B" - Edf. KIN HENG LONG PLAZA | Cantonese, English, Mandarin | 28338855, 66828282 |
| DECORACAO KIN HENG | RUA DIREITA DO HIPODROMO, no. 116, R/C "M" - Edf. MAN ON SAN CHUEN | Cantonese | 66896235 |
| DES. A. ELECT. CHIP SON | RUA DE FRANCISCO X PEREIRA, no. 68D, R/C - Edf. IEK TAI | Cantonese | 28567036, 66612653 |
| E & E - EMP. INST.& ENG. LDA | ALAMEDA DR. CARLOS D’ ASSUMPCAO, no. 258, 21° andar “O-Q” - Edf. KIN HENG LONG PLAZA | Cantonese, English, Mandarin, Portuguese | 28378087, 63091561 |
| EHY CONSTRUCTION AND ENGINEERING COMPANY LTD | ALM DR. CARLOS D'ASSUMPCAO, no. 258, 6° andar "R" - Edf. KIN HENG LONG PLAZA | Cantonese, English, Mandarin | 28728827, 66550857 |
| ELECTRICAL AND PLUMBING WORKS ZHUAN YE | RUA DA TRIBUNA, no. 202, R/C CN - Edf. SON TOK GARDEN | Cantonese, Mandarin | 28380085, 66690685 |
| ELECTRICAS CANALIZACOES KAI HENG | TRV DO BEM ESTAR, no. 4, R/C "B1" - Edf. MAN ON | Cantonese, Mandarin | 28808028, 66833937 |
| EMP. DECORACAO LUN TAT | RUA DA DOCA SECA, S/N, EDF. THE PRAIA, BL. 3, 36° andar “O” | Cantonese | 28266411, 66625857 |
| EMPRESA ELECTRICA, LDA | Alameda Carlos D'Assumpção, 336-342, 5/F "L" - Centro Com. Cheng Feng | Cantonese, English, Mandarin, Portuguese | 28783996, 62914666 |
| ENG. ELE. DECORACAO VAI HENG | AV. ARTUR TAM. BARBOSA, no. 216, R/C "BH" - Edf. U I KOK | Cantonese | 66859382 |
| ENG. ELECT. E. ENCANAMENTO CHEANG WENG | RUA DE MARTINHO MONTENEGRO, no. 7 - SAN LOK COM. CENTRE R/C "J" | Cantonese | 66688883, 63881637 |
| ENG. ELECT. JONLOON | AVN. VENC. MORAIS, 195, 6° andar "G" - Edf. IND. NAM LENG | Cantonese, Mandarin | 28719786, 66815833 |
| ENG.ELE.& CANAL.SENG LEI | RUA DO LILAU, no. 34, R/C "B" | Cantonese | 28973571, 66688622 |
| ENGENHARIA DE ELECTRICA CHON LONG | RUA da AREIA PRETA, no. 8-A, R/C "A8" - Edf. IAO SENG, BL. 2 | Cantonese, Mandarin | 66829253 |
| FIRMA E.ELECT.HANG TUNG | BECO DA BOA VISTA, no. 27A, R/C | Cantonese, English, Mandarin, Portuguese | 66338118 |
| GREEN ENERGY E & M | RUA 7 DO BAIRRO IAO HON, S/N, R/C, SALA F024 - Edf. HONG TAI Bl. 4 | Cantonese, English, Mandarin | 66606342 |
| HANG FAI ELECTRIC CO | AVN DR RODRIGO RODRIGUES, no. 412-D, R/C - Edf. WENG TAI | Cantonese | 28780125, 66806723 |
| HAP VO E & M ENG. CO. LTD | AVN. DE VENCESLAU DE MORAIS, No. 205, 4° "D" - EDF. IND. CHUN FOK | Cantonese, Mandarin | 28722458, 66697106 |
| HENG KEI AIR CON. ELECT. ENG. LTD | RUA DE FRANCISCO X PEREIRA, no. 10 & 12, R/C "A" - Edf. HANG FU | Cantonese | 28301398, 66682732 |
| HONG HOI ENG. CO. LTD | PRACA DAS PORTAS DO CERCO, S/N, 12° andar "E" - Edf. SAN POU GARDEN | Cantonese, English, Mandarin | 66869682 |
| HONG TAT ELECTRICAL AND MECHANICAL ENGINEERING CO. LTD | RUA DO MA KAU SEAK, no. 233, R/C "B" - Edf. KUONG WA SAN CHUEN, BL. 5 | Cantonese, Mandarin | 28762265, 66875890 |
| HONGWAY ENGINEERING LTD | ALM DR. CARLOS D'ASSUMPCAO, no. 180, 12° "S,T,U" - Edf. TUNG NAM AH C.C. | Cantonese, English, Mandarin | 28530987, 66836255 |
| HOU KEONG ENGINEER DECORATION | AVN VENCESLAU DE MORAIS, No. 184-188, 7° "A" - Edf. RICHLINK 188, NOBLE COURT, BL. 1 | Cantonese, Mandarin | 28752875, 66825283 |
| HOU KONG ELECTRIC | RUA DA FABRICA, no. 198, 1° andar "C" - Edf. MACAU, BL. E | Cantonese, Mandarin | 66568169 |
| HUA AO ENGINEERING COMPANY LTD | AVN. ALM. LACERDA, no. 145, 12° andar C" - Edf Ind. Nam Yick | Cantonese, Mandarin | 28266410, 66608803 |
| HUGE ENGINEERING SERVICE LIMITED | CLC. DA BARRA, no. 23-25, R/C "F" - EDF. IAU SENG, BL. 2 | Cantonese, English, Mandarin | 66875468 |
| IAN KEI E. & M. ENG. CO. LTD | EST DA AREIA PRETA, no. 11C, R/C "C" - Edf. NAM FONG GARDEN | Cantonese, Mandarin | 28324257, 66882261 |
| INST. E ELECT. E CAN. DE AGUA CHAN FAI | AVN. de ARTUR T. BARBOSA, Edf. JARDINS CIDADE C.C. R/C "BC" | Cantonese, Mandarin | 28451932, 66839392 |
| INSTALACOES ELECT. ASIA MERIDIONAL | RUA DE LUIS GONZAGA GOMES, no. 14, 2°andar "F"- Edf. Keng Xiu Garden | Cantonese, English, Mandarin | 28701399 |
| INSTALAÇÕES ELECTRICAS CHUNG PAK | RUA DAS HORTAS, 7C, R/C "A11" - Edf. IAO SENG, BL. 2 | Cantonese | 28519078, 66883081 |
| IO KEI ELECT. ENGINEERING | RUA de S. JOSE, no. 10, R/C "B" - Edf. MAN YEE | Cantonese | 66663954 |
| JEBSEN CONSULTANTS & ENGINEERING CO, LTD | ALM DR. CARLOS D'ASSUMPCAO, no. 181-187, 11° andar "J-P" - Edf. C.C. GRUPO BRILHANTISMO | Cantonese | 28972699, 66657168 |
| KAM VENG ENGINEERING | RUA DA HARMONIA, No. 45, Edf. POU LAI GARDEN, BL. 3, R/C "J" | Cantonese, English, Mandarin | 66637044 |
| KENCHAO ELECT ENGINEER WORK | PAT DA CONCORDIA, no. 11, 13° andar "C" - Edf. Ind. VANG KAI | Cantonese, Mandarin | 28257368, 66832628 |
| KENTO ENGINEERING CO. LTD | EST. MARG. do HIPODROMO, no. 56-68,13° andar “D” - Edf. IND. LEE CHEUNG | Cantonese, English | 28720006, 66881426 |
| KOON KAU OBRAS INST. AGUA E ELECT | RUA DO ALM COSTA CABRAL, no. 2C, R/C - Edf. FU TAK FA UN | Cantonese | 28572712, 66623712 |
| K'S ELECTRICO E MECANICO ENG. EQUIP. LDA | AV. REPUBLICA, no. 36, R/C B1 - Edf. TAI HENG | Cantonese, English, Mandarin | 28967621, 66512276 |
| LEGEND ENGENHARIA ELECTRICA LIMITADA | PATIO DA CONCORDIA, nos. 5-43, 12º andar ”A” - Edf. IND. WANG KAI | Cantonese | 28481435, 66637731 |
| LEI TAT ELECT. MECH. ENG. | RUA FERNAO MENDES PINTO, No. 39, 3° "D" - Edf. SAN LAI VA | Cantonese | 66823817 |
| LEK KUAN ELECTRICOS | RUA DA PEDRA, no. 8-8A, R/C - Edf. WO KUAI | Cantonese | 66876055 |
| LEONG CHUN ELECTRIC | RUA SANTA FILOMENA, no. 11 R/C - Edf. VAI NGA | Cantonese | 66686038 |
| LICHENG ILUMINAÇÃO | Trav.do Ultramar, No. 6A, R/C, Loja B - Edf. Ka Lok | Cantonese, English, Mandarin | 62928603, 66632693 |
| LOI CHAO SOI TIN CONG CHENG CON SI | TRV. TERCEIRA DO PAT. DO JARDIM, No. 11, R/C "A" - EDF. KAM HONG KOK | Cantonese, English, Mandarin | 66695670 |
| Lok Heng LED Electrical & Engineering Limited Company | Rua da Saude, no. 45. R/C "D" - Edf. Lai Va, BL. 1 | Cantonese, Mandarin | 66170606, 66110520 |
| Macau Tai Leng Agua & Elect. | Rua do Patane, no. 91, R/C | Cantonese, Mandarin | 28317494, 66855083 |
| MAN HENG ELECTRICAS | AVN. 1 DE MAIO, S/ N, 12° andar “AF” - Edf, JARDIM KONG FOK CHEONG, BL. 4 | Cantonese, Mandarin | 66528673 |
| MAN HON ELECT. AIR-COND. ENG. LTD | EST DO REPOUSO, no. 57, R/C "B" - Edf. MEI SENG | Cantonese | 28333617, 66861344 |
| MAN KEI SOI TIN KONG CHENG | RUA DO GENERAL GALHARDO, no. 6, R/C, "B" - Edf. HENG FAT | Cantonese, Mandarin | 28567177, 66819159 |
| MAYSUN ENGINEERING CO. LTD | AVN DE VENCESLAU DE MORAIS, no. 209, 13° andar "B" - Edf. FEI TONG, BL. 1 | Cantonese, Mandarin | 28761610, 66841567 |
| NEW POWER ELECTRICAL AND MECHANICAL ENG. CO. LTD | ALM DR. CARLOS D'ASSUMPCAO, No. 181-187, 19° Andar "J" - Edf. C.C. GRUPO BRILHANTISMO | Cantonese, English, Mandarin | 28750657, 66968329 |
| NGAI SENG WATER ELECT. WORKS | RUA DE BRAS DA ROSA, no. 49, 7° andar "P"- Edf. NGAN SENG KOK, BL. 2 | Cantonese, Mandarin | 28215132, 66810251 |
| NIKKAN (MACAU) ENG. LDA | RUA DE MADRID, no. 21, 7° andar "C" - Edf. WAN YU VILLAS | Cantonese, Mandarin | 28230794, 66335092 |
| OBRA A. LUZ KEI KEI | RUA 1 DE MAIO, 16° andar "AT" - Edf. KUONG FOK ON FA UN, BL. 6 | Cantonese, Mandarin | 66697068 |
| OBRAS CANAL.& ELECT.WAN POU | AVN. DE ARTUR T. BARBOSA, no. 216, 1° andar "X1" - Edf. CENTRO U I KOK | Cantonese | 28270270, 66839842 |
| OBRAS DE AGUA E ELECT. HENG FAI | RUA GENERAL IVENS FERRAZ, no. 406, 7º and. “T” - Edf. LEI TAI KOK | Cantonese, Mandarin | 66885745 |
| OBRAS ELE. SON HENG | RUA DA HARMONIA, No. 49, Edf. POLY GARDEN, BL. 4, R/C "C" | Cantonese | 66893676 |
| OBRAS ELECT. TANG FAI | AVN. DE VENCESLAU DE MORAIS, No.231, 15° andar "B" - Edf. NAM FONG, BL. 1 | Cantonese, Mandarin | 28330948, 62182237 |
| OBRAS INST. A. & E. MUN FAI | BAR IAO HON RUA 8, S/N, 7°andar "I" - Edf. SON TOK GARDEN - KAM SENG KOK | Cantonese, Mandarin | 28420978, 66862763 |
| OBRAS INST. ELECT. E AGUA HANG KEI | EST DA AREIA PRETA, no. 1-7, R/C "Q" - Edf. VILA NOVA KI-KUAN, BL. 4 | Cantonese | 28519903, 66629753 |
| ON CHIN ELECTRICAL AND MECHANICAL ENGINEERING COMPANY LIMITED | TRV. SEGUNDA DO PATIO DO JARDIM. no. 11, R/C | Cantonese, English | 28502530, 66620081 |
| PETER ELECTRICAL ENGINEERING TRADING | RMP DOS CAVALEIROS, S/N, 7/F "AO" - JARDINS SUN YICK, BL. 5 | Cantonese, English, Mandarin | 66881104 |
| PRECISE ENGINEERING COMPANY LIMITED | RUA DIREITA do HIPODROMO, no. 269, 22/F "I" - Edf. VICTOR GARDEN, BL. 2 | Cantonese, English, Mandarin | 66118381, 62938309 |
| SAN FAI DECORACAO ELECTRICOS | RUA DO ALMIRANTE COSTA CABRAL. No. 111(A) - Edf. TAI LONG UN, R/C | Cantonese, English, Mandarin | 28522580, 66813576 |
| SAN HO ELECTRIC | RUA GRACIOSA, Edf. C.C. WA MAU SAN CHUN, Loja AF | Cantonese | 66316875 |
| SAN KWONG ELECTRIC | TRV. DOS MERCADORES, no. 22, R/C "A" - Edf. SONG HENG KOK | Cantonese | 66606215 |
| SAN LUN YI M & E ENGINEERING CO. LTD | AV. VENCESLAU DE MORAIS, no. 231, 10° andar "B" - Edf. IND. NAM FONG | Cantonese, Mandarin | 28719008, 66677711 |
| SAN NGA KONG CHENG CONG SI | EST. DE AREIA PRETA, No. 17, R/C "I" - Edf. KONG HOI GARDEN | Cantonese, Mandarin | 28517796, 66829633 |
| San Tat Engineering Ltd | Rua da Alegria, no. 41 - Edf. Ind. Tong Lei, 8° andar "D" | Cantonese, English, Mandarin | 28768078, 66110761 |
| SENG HENG INST. ELECT., CANAL. DE AGUA E AR-CONDICIONADO | RUA dos CURTIDORES, no. 40, R/C “D” - Edf. SON FAT | Cantonese | 66685873 |
| SERVICO DE AGUA E ELECT. HAP SENG | PATIO DE S. PAULO, no. 7, R/C "A" - Edf. LEI FU | Cantonese | 28329121, 66809733 |
| SING PENG ENGINEERING | AVE. DA CONCORDIA, no. 259, 17° andar “A” - Edf. MAY FAIR GARDEN | Cantonese, Mandarin | 66891962 |
| SIVRY ENGENHARIA ELECTROTECNICA, LDA | AVE. ALM. LACERDA, no. 131, 11°andar "B" - Edf. IND. WA LONG | Cantonese, English, Mandarin | 28270825, 66692861 |
| SON SENG LANG HEI KEI HAI CONG CHENG | RAMPA DOS CAVALEIROS, NO. 9, 10° andar "K" - Edf. JARDINS SUN YICK, BL 2 | Cantonese, Mandarin | 28481538, 66818547 |
| SU KEONG HYDRO ELECT POWER CIVIL ENG. | RUA DO COM JOAO BELO, 111, 5° andar "AE" - Edf. TO POU FA UN KAM POU KOK | Cantonese | 66625005 |
| SUN WISE ENG. & CONSULT. CO. LTD | ALM DR. CARLOS D'ASSUMPCAO, nos. 181-187, 14° andar "L" - Edf. JARDIM BRILHANTISMO | Cantonese, Mandarin | 28501048, 66642282 |
| TAM TUEN KEI ELECTRICAL INSTALLATION | AVN DO OUVIDOR ARRIAGA, no. 12G-H, R/C | Cantonese, English, Mandarin | 28336677, 66888117 |
| TONG HENG INTELLIGENT ELECTROMECHANICAL ENG. LTD | RUA BISPO MEDEIROS, no. 43, 4/F "E" - Edf. MEI CHI KOK | Cantonese | 28825552, 66661975 |
| TUNG TAT E. & M. ENGINEERING CO. LTD | ALM DR. CARLOS D'ASSUMPCAO, no. 263, 5° andar "A-B" - Edf. CHINA CIVIL PLAZA | Cantonese, English, Mandarin | 28363368, 66682207 |
| TX ESTUDOS ENG. O. LDA | RUA DO SOL, no. 20A, R/C - Edf. TAI NGA LAO | Cantonese, English, Mandarin | 28353128, 66660578 |
| VAN KAO SOI TIN KONG CHENG | EST DE ADOLFO LOUREIRO, no. 12-I, R/C, "K" - Edf. LAI UN | Cantonese | 28271177, 66605690 |
| WA CHON ENGINEERING | RUA DE INACIO BAPTISTA, no. 4, R/C "D" - Edf. SENG VAN | Cantonese | 63689618 |
| WAH KEONG SOI TIN | LRG DO AQUINO, no. 20, R/C | Cantonese | 28967908, 66605730 |
| WAI KEI SOI TIN CONG CHENG CONG SI | RUA NORTE DO CANAL DAS HORTAS, no. 3, R/C - Edf. POPULAR, BL. 3 | Cantonese | 28336762, 66683666 |
| WENG TUNG ENGINEERING CO. | RUA da ERVA, no. 48A, R/C | Cantonese, English, Mandarin | 28350565, 66992803 |
| WENG VO A. E. ENG. CO | PAT DA BARCA, no. 9, 2° andar "C" - Edf. FONG YU | Cantonese, Mandarin | 28211225, 66883270 |
| YAO MA MACHINERY CONSTRUCTION | RUA JOAO ARAUJO, 100, R/C APT. A11 - Edf. YAU MENG | Cantonese, Mandarin | 28365508, 66553789 |
| YAT HUNG ELECTRICAL DECORATION & CONSTRUCTION | BECO DO SAPATO, no. 2A, R/C “C” - Edf. CHUN YU | Cantonese, Mandarin | 28351783, 66836900 |