Denver, Colorado

M A Mortenson
Hensel Phelps
G E Johnson
Gerald H. Phipps, Inc.
TIC
Glacier Construction
CH2M Hill Constructors, Inc.

Marquette, Michigan

Closner Construction
Gundlach Champion, Inc.
Moyle Construction, inc.
Oscar J. Boldt, Inc.

Casper, Wyoming

Adolfson & Peterson
Groathouse Construction
Haselden Construction
Van Ewing Construction
W. N. McMurry Construction

Traverse City, Michigan

Bouma Corporation
Grand Traverse Construction
Comstock Construction
Clark Construction
The Christman Company

Boise, Idaho

Engineered Structures, Inc.
Petra, Inc.
Wright Brothers, The Building Company
CM Company Inc
McCarthy Building Company
Kreizenbeck Constructors