Günther Kasper
The "Titan-Alu" manhole-cover opener is an indispensable tool for everyone working with manhole-covers, oil separator-, gas -, water- or cable pit covers.
http://www.titan-alu.com/ta/index_e.html

Manhole Systems Inc.
American made, high quality steel adjustable manhole riser rings. Cut paving time with risers custom made for your highway project.
http://www.manholesystems.com/

Doug Meadows Company
Doug Meadows Company, LLC is a manufacturer's representative of manhole cover extractors, manhole risers and other products involved in sewage and water municipalities.
http://www.dougmeadows.com/

Bradley Lifting Corp.
Bradley Lifting custom manufactures below the hook lifting and material handling devices.
http://www.bradleylift.com/

American Step Company
Manhole Steps and Lifting Systems for Precast Concrete
http://www.americanstep.com

Borealis Engineering Inc.
Welcome To Borealis Engineering Inc: The answer to your materials handling questions.
http://www.boreng.ca

Essex Rock Store
Supplier of Sewer Manhole Hooks, cover lifters, Other Utility/Demolition Tools.
http://www.essexrockstore.com

Bairstow Lifting Products Company
Fabricators of all types of lifting slings and rigging supplies. Hoists, winches, fall protection devices, wire rope, chain, rope, and rigging hardware.
http://www.bairstow.com/

American Highway Products Ltd.
American Highway Products has been manufacturing steel manhole risers and catch basin risers since 1978.
http://www.americanhighwayproducts.com/

Innovative Marine Technologies
Boat Dock Supplies & Accessories, Boat Cover, Covers, Lifts, Kits & Parts
http://www.boatdockstuff.com