Booth #        Company Name

36, 37            101 Pipe & Casing, Inc.
E, F               2M Company, Inc.
29                  A.O. Smith Water Systems
33                  Atlas Copco Drilling Solutions
17                  AY McDonald Mfg. Co.
B                    Baker Mfg. Co. /Monitor Division
51                  Baroid IDP
03                  Bill Johnson Equip. Co.
05                  Boart Longyear, Inc.
46                  Boshart Industries
40                  Carson Underground, Inc.
07                  CETCO
18                  Consolidated Pump & Supply
42                  Copeland Machine & Supply Co. Inc.
16                  Cotey Chemical Corporation
50                   Cycle Stop Valves, Inc.
44,45              Desert Pacific Marketing, Inc.
49                   Downhole Fluidics, Inc.
28                   Duke Equipment Co.
13                   Flint & Walling, Inc.
19                   Foremost Industries
38                   Franklin Electric
53                   GEFCO
14,15              Global Pumps & Equipment
04                    Grand Canyon Pump & Supply
12                     In-Situ Inc.
32                    In-Well Tech.
43                    Jentech Drilling Supply Inc.
41                    Johnson Screens
08                    Karam Brothers, Inc.
02                    Kelly Pipe Co.
48                    Laibe Corporation
35                    Lakos Separators/Laval Underground Surveys
23, 24             Loomis Tank Center/Snyder Industries
20                   Maass Midwest
30                   Merrill Mfg Company.
11                   Mill Man Steel, Inc.
D                    Mudslayer Mfg.
G                    National Ground Water Assoc.
01                  National Pump Co. LLC
54                  NUMA Tool Company
26                  Pentair Water
31                  Pro Well Supply
outside         Pulstar Manufacturing, Inc.
09,10             Reed Pump Supply
52                   Rockmore International
34                   Roscoe Moss Company
47, outside   Sandvik
outside         Semco, Inc.
06, outside   Smiley Lifting Solutions, LLC
25                   Sullair Corp.
27                  Taylor Industries
22                  UNITRA, INC.
C                   Well Magic
A                   Well-Vu
39                  Western Hydro Corporation
55                  Western Rubber & Mfg.
H                   Worldwide Drilling Resource
21                 Wyo Ben, Inc.