| Manufacturer/ Distributor |
Contact | Range in structure dimensions |
| Farmtek | USA and Canada 1-800-327-6835 |
W 20′ 28′ L 56′ 105′ 154′ 203′ H 11′ |
| Gothic Arch Greenhouses | P.O. Box 1564 Mobile, AL 36633 251-471-5238 |
Custom |
| Harnois | 1044, Principale Street St-Thomas, Québec Canada , J0K 3L0 888-427-6647 |
Width: 31′ 6″ Layout: Minimum configuration of 3 tunnels (bays) Length: Minimum 50′ per tunnel |
| Haygrove Tunnels | 230 Cross Street, Darlington, South Carolina, 29532USA & Canada +1 (805) 441-7673 |
W 23′ to 31′ L Custom H 13′ to 20′ |
| Quiedan Company | 15400 Meridian Road Salinas, CA 93907 1-800-408-2117 |
W 12′ to 30′ L 100′ to 500′ H 10′ to 16′ |
| Stuppy Greenhouse Manufacturing | 1212 Clay North St Kansas City, MO 64116 800-735-5025 |
Custom Design |
| Tunnel Tech | 47 Clearview Dr. Tillsonburg, ON N4G 4H8 519-688-2451 |
W 28′ L custom H 14′ |