| Business | Phone |
| Austrian & Assoc 1422 Euclid Ave # 840, Cleveland 44115 | (216) 621-6631 |
| Baker & Assoc 1228 Euclid Ave, Cleveland 44115 | (216) 664-6493 |
| Black & Assoc Consulting Inc Po Box 221351, Cleveland 44122 | (216) 515-9947 |
| Brown & Caldwell 7550 Lucerne Dr # 310, Cleveland 44130 | (440) 826-4900 |
| Business Strategists Inc 3659 Green Rd # 100, Cleveland 44122 | (216) 561-1648 |
| C & S Engineers Inc 16600 W Sprague Rd, Cleveland 44130 | (440) 239-8810 |
| Consolidated Research Inc 26250 Euclid Ave, Cleveland 44132 | (216) 289-2331 |
| Swisher Associates Inc 18151 Jefferson Park Rd # 102, Cleveland 44130 | (440) 243-1500 |
| Engineering Inspection Group 380 Dover Center Rd, Cleveland 44140 | (440) 871-3524 |
| Esa 6009 Landerhaven Dr # B, Cleveland 44124 | (440) 449-8045 |
| Fas Enterprises Inc 850 Euclid Ave, Cleveland 44114 | (216) 797-1155 |
| Schmidt Associates 7333 Fairoaks Rd, Cleveland 44146 | (440) 439-7300 |
| Seg Design Ltd 1369 Depot St, Cleveland 44116 | (440) 356-7045 |
| Fredrick Fredrick & Heller Inc 672 E Royalton Rd, Cleveland 44147 | (440) 546-9696 |
| Gedeon Frederick & Co 26031 Center Ridge Rd # D, Cleveland 44145 | (440) 892-0490 |
| Genus Solutions Ltd 30670 Bainbridge Rd, Cleveland 44139 | (440) 519-2901 |
| Rigging International Rimco 23215 Commerce Park # 102, Cleveland 44122 | (216) 595-1550 |
| Gray Consulting Inc 7626 Lindsay Ln, Cleveland 44139 | (330) 821-3903 |
| R E Warner & Assoc 25777 Detroit Rd # 200, Cleveland 44145 | (440) 835-9400 |
| Raven Systems Design 6931 Grandview Dr, Cleveland 44131 | (216) 524-7030 |
| Highland Consulting Inc 458 Lynden Dr, Cleveland 44143 | (440) 449-1565 |
| Hntb Ohio Inc 55 Erieview Plz # 500, Cleveland 44114 | (216) 522-1140 |
| Protiviti 600 W Superior Ave, Cleveland 44113 | (216) 696-6010 |
| Qmi Inc 8501 E Pleasant Valley Rd, Cleveland 44131 | (216) 901-1911 |
| Ibis Technologies Inc 5545 Wilson Mills Rd # 105, Cleveland 44143 | (440) 461-0245 |
| Pharaoh International Inc 29425 Chagrin Blvd, Cleveland 44122 | (216) 591-9864 |
| Pioneer Solutions Llc 22221 Saint Clair Ave, Cleveland 44117 | (216) 383-3354 |
| Polytech 55 Public Sq # 510, Cleveland 44113 | (216) 696-3141 |
| Intelligent Building Systems 11925 Pearl Rd # 309, Cleveland 44136 | (440) 878-0343 |
| J Kaplan Consulting 3075 E Overlook Rd, Cleveland 44118 | (216) 382-1300 |
| Parsons Engineering Science 19101 Villaview Rd, Cleveland 44119 | (216) 486-9005 |
| Keogh Consulting 10217 Brecksville Rd, Cleveland 44141 | (440) 526-2002 |
| Kme Consulting 23340 Miles Rd, Cleveland 44128 | (216) 823-0075 |
| Korfmacher Group Inc 8162 Windsor Dr # 13, Cleveland 44133 | (440) 237-9761 |
| Lutzmann International Consltg 2241 Briarwood Rd, Cleveland 44118 | (216) 932-1666 |
| Msi Technical Svc 1422 Euclid Ave # 1070, Cleveland 44115 | (216) 621-0886 |
| Metcalf & Eddy 1300 E 9th St # 1215, Cleveland 44114 | (216) 910-2000 |