Portfolio and Experience

GQS provide services to accreditation bodies, owners, architects, engineers, construction managers, general contractors, bonding companies, fabricators, detailers and inspection agencies.Our valuable client list is growing each year. We are proud to list them below.

American Steel Institute of Construction/Chicago, ILAlberici Constructors/St.Louis, MO

American Painting Inc./Kansas City, MO

Arrowhead Steel Fabricators/Grand Island, NE

Atlas Fabricating Corp./Columbus,OH

Bluming & Gusky/Pittsburgh, PA

Bristol Steel & Conveyor Corp.

Brookfield Fabricating Corp/Brookfield, MO

Casadei Steel

Chief Industries/Grand Island, NE

Contract Steel Services

Crossland Construction Company

Custom Fabrication & Coatings, Inc.

DGSTS

East Coast Steel Fabricators/New Castle, DE

Gerace Construction/Midland, MI

Hirschfeld Steel Company/San Angelo, TX

Havens Steel Company/Kansas City, MOSchuff Steel Company

International Accrediation Service, Inc./Whittier, CA

Industrial Steel

Johnstown Welding/Johnstown, PA

J.R.Hoe & Company

L & M Industrial Fabrication

Merrill Iron & SteelMetro Contract Services

Mid-Atlantic Steel/New Castle, DE

Midwest Steel Inc./Detroit, MI

Peterson Sheet Metal

Protech Resources/ West Nyack, NY

Quality Management Company/Chicago, IL

Rankin Fabrication

Sakti Group/New York, NY

Schuff Steel Company

Select Steel, LLC.

South Bay Welding, Inc./San Diego, CA

Spirit Fabs, Inc./Green Bay, WI

STS welding consultation/New Orleans, LA

Stateline Fabricators

Steel Fab, Inc./Charlotte, NC

Sterling Erectors

United Fire Group/Cedar Rapids, IA

University of Arizona/Phoenix, AZ

Unique Metals, Inc./Pittsburgh, PA

Vanco Steel/Detroit, MI

Van Dam Iron Works

Wylie Steel Inc./TN

Genesis Quality Systems 248.377.1788