| QAD Architects | LS11 6AD |
| QAIA Airport | 00000 |
| Qatar Building Company | 1985 |
| Qatar Design Consortium | 974 |
| Qatar International Services | NONE |
| Qatari Group for Petroleum Services | 00974 |
| QC CONTRACTS LTD | G689DW |
| qci marine llc | 39503 |
| QCI marine Offshore | 39581 |
| QD Plastics (Glasgow) Ltd | G82 2RH |
| QDC | 0974 |
| Qdm Building Services Ltd | ME12RL |
| Qed Construction Ltd | PR4 4 AQ |
| QFS Scaffolding | DA12 2PL |
| QGM Developements | PL4 7PH |
| QIC Trims Ltd | MK184BL |
| QinetiQ | HS75LA |
| QinetiQ | WR14 3PS |
| Qingdao Anrida Environmental Protection Building M | 266000 |
| Qingdao Bituo Si Plastic co.ltd | 22600 |
| QINGDAO CHUANGHUI INDUSTRYCO.,LTD. | 266111 |
| Qingdao Desiree Automobile Inspection Device Co., | 0086 |
| Qingdao FTZ International Trading Co.,LTD | 266001 |
| Qingdao JCD Machinery company | 26034 |
| Qingdao Sheridy International Trading Co., Ltd. | 266061 |
| Qingdao Xingbang co, | 266055 |
| Qingdao Yonghuize Woodcraft Co.,Ltd. | 266300 |
| Qingdao Yuhao Seeking cooperation for precast | 266071 |
| Qinrtiq | IV40 8AJ |
| QM Engineering Ltd | NN13 5JE |
| Qmech Electromechanical Contracting Company | 8697 |
| QP Architecture | BH23 1AB |
| QP Qatar | 22247 |
| QPD landscapes ltd | WA9 4HU |
| QPiD Ltd | EX5 1DQ |
| QPT Construction | DUBLIN 15 |
| qR Architects | NW5 1LP |
| QRC | BN27 1AE |
| qt | 0000 |
| QuadConsult Limited | CF3 4FD |
| Quadrant Harmon Consulting Ltd | W1B 3BD |
| Quadron Services Ltd | GU11 3NB |
| Quaker Chemical Ltd | GL10 3SX |
| Qualclad Roofing Services | BL8 4DU |
| Qualitas Construction Services | SW18 2QF |
| Qualitas Steel Doors | NE3 2EF |
| Qualitec Systems Ltd | DY3 1QY |
| Quality Cladding & Roofing Ltd | CM8 3DP |
| quality construction ltd | CM17 9DR |
| Quality Dining Inc. | 46545 |
| QUALITY FIRST JOINERY | OL13 9EP |
| Quality Guest Post | E2 8AA |
| quality interiors | ME80LH |
| Quality NDE | J6R 2C2 |
| quality roofing | DL5 5PN |
| Quality Sheet Metat | 32208 |
| qualter hall | S75 2BY |
| qualter hall | S752BY |
| Quantech Building Estimating | CB22 3BZ |
| Quantick Safety Systems Ltd | BS40 5SP |
| Quantsmate Ltd | IG2 6PQ |
| Quantum International | 001 |
| Quantum Partnership | SW1V1NS |
| Quantum Systems | 100021 |
| Quanzhou Licheng Tianli Kitchenware Factory | 362000 |
| Quanzhou Twindisc Trading Company,Fujian | 362100 |
| Quartermaster Stores | WD25 7SB |
| Quartet Architecture Ltd | SW18 2DG |
| quartzelec | M50 2GT |
| Quattro | - |
| quattro consult ltd | EH2 1EN |
| Quattro Design | GL1 2 HT |
| Quattro Design Architects Ltd | GL2 5QY |
| quattro Design Architects Ltd | X |
| Quay West Communications | CO6 1TU |
| Quayside Joinery ltd | NE244RG |
| QUB Belfast | BT9 7BL |
| qube construct | TA12LY |
| Qube Design Group Ltd | NR34 9BH |
| Qubed | SW19 1PA |
| Qubicle | BL4 0AN |
| Queen Mary University of London | E1 4NS |
| queenborough forge ltd | ME11 5HN |
| quentrall | N12 |
| Quercus Ltd | EH38 5YE |
| questpower ltd | SE4 1TB |
| Qufu Chenguang Chemical Co., Ltd | 273100 |
| Quick Fix Glass Ltd | DN31 1SF |
| Quietstone UK Ltd | SK10 5SD |
| QUILLE | 76172 |
| Quimbasicos, S.A. de C.V. | 64400 |
| Quinn Architects | E2 7ES |
| Quinn Architecture | XXXXX |
| quinn london ltd | NW7 2HX |
| Quinplex Group Limited | CW6 0EW |
| quinton Securities ltd | CV8 1AZ |
| Quirk Associates | OX14 3SR |
| QVC | L70 2QA |
| qweb | G1W2L4 |
| Qweek Lake | TR11 5QB |
