3. McJunkin Red Man Corp.

4. WinWholesale

5. Wilson

7. Hajoca Corp.

12. F.W. Webb Co.

18. Keller Supply Co.

19. Kelly Pipe LLC

22. Coburn Supply Co.

23. Chicago Tube & Iron

25. Slakey Brothers

27. First Supply LLC

29. Southern Pipe & Supply

30. Columbia Pipe & Supply Co.

31. Famous Enterprises

32. Thos. Somerville Co.

37. Consolidated Supply

39. ETNA Supply Co.

40. Standard Plumbing Supply Co.

41. Goodin Co.

48. Davis & Warshow 

51. Hirsch Pipe & Supply Co.

53. Trumbull Industries

55. Northeastern Supply

57. Macomb Group

64. Express Pipe & Supply

65. Irr Supply Centers

66. Redlon & Johnson

68. Connor Co.

69. Crawford Supply Co.

70. The Portland Group

71. Wolff Bros. Supply

72. Central Supply

74. J.H. Larson Co.

76. Robertson Heating Supply Co.  

77. Kenny Pipe & Supply

83. Cregger Co.

84. Harry Cooper Supply

86. Ameripipe Supply

87. Ridgewood Corp.

88. Plumbing Distributors

89. Farnsworth Wholesale Co.

91. Deacon Industrial Supply

92. Wholesale Supply Group

97. Smardan Supply Co.

100. Aaron & Co.

103. Independent Pipe & Supply Corp.

104. Wool Plumbing Supply

105. Supply New England

106. Wm. F. Meyer Co.

107. Piping & Equipment

108. Puget Sound Pipe & Supply Co.

109. Gateway Supply

111. Vamac

114. All-Tex Pipe & Supply

117. City Plumbing & Electrical Supply

119. Eastern Industrial Supplies

120. Murray Supply Co.

121. Riback Supply Co.

124. Torrington Supply Co.

125. C&L Supply

131. Brock-McVey

132. Worly Plumbing Supply

134. Central States Industrial Supply

135. APR Supply Co.

136. Lute Plumbing Supply

137. Robinson P&H Supply Co.

138. Security Supply Corp.

141. M. Cooper Supply

144. Thrifty Supply

145. W.A. Roosevelt

146. City Pipe & Supply Corp.

148. Penco Corp.

149. Modern Supply Co. 

150. Mid-City Supply Co.