0001047469-11-005631 S-4 93 20110603 ALLIED TUBE & CONDUIT CORP 0000003972 362425517 DE 0930 S-4 33 333-174689-07 11890848 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 (708) 339-1610 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 AFC CABLE SYSTEMS INC 0000913360 3357 951517994 DE 0930 S-4 33 333-174689-08 11890849 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 (708) 339-1610 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 Atkore International Holdings Inc. 0001521722 800661126 DE 0930 S-4 33 333-174689 11890842 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 (708) 339-1610 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 Atkore International, Inc. 0001521723 900631477 DE 0930 S-4 33 333-174689-01 11890841 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 (708) 339-1610 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 WPFY, Inc. 0001521789 510355510 DE 0930 S-4 33 333-174689-02 11890843 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 (708) 339-1610 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 Atkore International (NV) Inc. 0001521790 582489564 NV 0930 S-4 33 333-174689-10 11890851 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 (708) 339-1610 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 Atkore International CTC, Inc. 0001521791 710515113 AR 0930 S-4 33 333-174689-09 11890850 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 (708) 339-1610 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 Georgia Pipe Co 0001521796 581902236 GA 0930 S-4 33 333-174689-06 11890847 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 (708) 339-1610 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 TKN, Inc. 0001521797 050389285 RI 0930 S-4 33 333-174689-05 11890846 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 (708) 339-1610 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 Unistrut International Corp 0001521798 205832739 NV 0930 S-4 33 333-174689-04 11890845 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 (708) 339-1610 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 Unistrut International Holdings, LLC 0001521799 205972741 DE 0930 S-4 33 333-174689-03 11890844 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 (708) 339-1610 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 S-4 1 a2203967zs-4.htm S-4 EX-2.1 2 a2203967zex-2_1.htm EX-2.1 EX-2.2 3 a2203967zex-2_2.htm EX-2.2 EX-2.3 4 a2203967zex-2_3.htm EX-2.3 EX-2.4 5 a2203967zex-2_4.htm EX-2.4 EX-3.1 6 a2203967zex-3_1.htm EX-3.1 EX-3.2 7 a2203967zex-3_2.htm EX-3.2 EX-3.3 8 a2203967zex-3_3.htm EX-3.3 EX-3.4 9 a2203967zex-3_4.htm EX-3.4 EX-3.5 10 a2203967zex-3_5.htm EX-3.5 EX-3.6 11 a2203967zex-3_6.htm EX-3.6 EX-3.7 12 a2203967zex-3_7.htm EX-3.7 EX-3.8 13 a2203967zex-3_8.htm EX-3.8 EX-3.9 14 a2203967zex-3_9.htm EX-3.9 EX-3.10 15 a2203967zex-3_10.htm EX-3.10 EX-3.11 16 a2203967zex-3_11.htm EX-3.11 EX-3.12 17 a2203967zex-3_12.htm EX-3.12 EX-3.13 18 a2203967zex-3_13.htm EX-3.13 EX-3.14 19 a2203967zex-3_14.htm EX-3.14 EX-3.15 20 a2203967zex-3_15.htm EX-3.15 EX-3.16 21 a2203967zex-3_16.htm EX-3.16 EX-3.17 22 a2203967zex-3_17.htm EX-3.17 EX-3.18 23 a2203967zex-3_18.htm EX-3.18 EX-3.19 24 a2203967zex-3_19.htm EX-3.19 EX-3.20 25 a2203967zex-3_20.htm EX-3.20 EX-3.21 26 a2203967zex-3_21.htm EX-3.21 EX-3.22 27 a2203967zex-3_22.htm EX-3.22 EX-4.1 28 a2203967zex-4_1.htm EX-4.1 EX-4.2 29 a2203967zex-4_2.htm EX-4.2 EX-4.3 30 a2203967zex-4_3.htm EX-4.3 EX-5.1 31 a2203967zex-5_1.htm EX-5.1 EX-5.2 32 a2203967zex-5_2.htm EX-5.2 EX-5.3 33 a2203967zex-5_3.htm EX-5.3 EX-5.4 34 a2203967zex-5_4.htm EX-5.4 EX-5.5 35 a2203967zex-5_5.htm EX-5.5 EX-5.6 36 a2203967zex-5_6.htm EX-5.6 EX-10.1 37 a2203967zex-10_1.htm EX-10.1 EX-10.2 38 a2203967zex-10_2.htm EX-10.2 EX-10.3 39 a2203967zex-10_3.htm EX-10.3 EX-10.4 40 a2203967zex-10_4.htm EX-10.4 EX-10.5 41 a2203967zex-10_5.htm EX-10.5 EX-10.6 42 a2203967zex-10_6.htm EX-10.6 EX-10.7 43 a2203967zex-10_7.htm EX-10.7 EX-10.8 44 a2203967zex-10_8.htm EX-10.8 EX-10.9 45 a2203967zex-10_9.htm EX-10.9 EX-10.10 46 a2203967zex-10_10.htm EX-10.10 EX-10.11 47 a2203967zex-10_11.htm EX-10.11 EX-10.12 48 a2203967zex-10_12.htm EX-10.12 EX-10.13 49 a2203967zex-10_13.htm EX-10.13 EX-10.14 50 a2203967zex-10_14.htm EX-10.14 EX-10.15 51 a2203967zex-10_15.htm EX-10.15 EX-10.16 52 a2203967zex-10_16.htm EX-10.16 EX-10.17 53 a2203967zex-10_17.htm EX-10.17 EX-10.18 54 a2203967zex-10_18.htm EX-10.18 EX-10.19 55 a2203967zex-10_19.htm EX-10.19 EX-10.20 56 a2203967zex-10_20.htm EX-10.20 EX-12.1 57 a2203967zex-12_1.htm EX-12.1 EX-21.1 58 a2203967zex-21_1.htm EX-21.1 EX-23.1 59 a2203967zex-23_1.htm EX-23.1 EX-25.1 60 a2203967zex-25_1.htm EX-25.1 EX-99.1 61 a2203967zex-99_1.htm EX-99.1 EX-99.2 62 a2203967zex-99_2.htm EX-99.2 EX-99.3 63 a2203967zex-99_3.htm EX-99.3 GRAPHIC 65 g117792mqi001.jpg G117792MQI001.JPG GRAPHIC 66 g117792mt05i001.jpg G117792MT05I001.JPG GRAPHIC 67 g117792mt05i002.jpg G117792MT05I002.JPG GRAPHIC 68 g117792mt07i001.jpg G117792MT07I001.JPG GRAPHIC 69 g117792nc03i001.jpg G117792NC03I001.JPG GRAPHIC 70 g117792nc03i002.jpg G117792NC03I002.JPG GRAPHIC 71 g117792koi001.jpg G117792KOI001.JPG GRAPHIC 72 g117792koi002.gif G117792KOI002.GIF GRAPHIC 73 g117792ksi001.gif G117792KSI001.GIF GRAPHIC 74 g117792ksi002.gif G117792KSI002.GIF GRAPHIC 75 g117792ksi003.jpg G117792KSI003.JPG GRAPHIC 76 g117792kui001.jpg G117792KUI001.JPG GRAPHIC 77 g117792kui002.jpg G117792KUI002.JPG GRAPHIC 78 g117792lwai001.gif G117792LWAI001.GIF GRAPHIC 79 g117792lwai002.gif G117792LWAI002.GIF GRAPHIC 80 g117792lwai003.gif G117792LWAI003.GIF GRAPHIC 81 g117792lwai004.gif G117792LWAI004.GIF GRAPHIC 82 g117792lwai005.gif G117792LWAI005.GIF GRAPHIC 83 g117792lwai006.gif G117792LWAI006.GIF GRAPHIC 84 g117792lwai007.gif G117792LWAI007.GIF GRAPHIC 85 g117792lwbi001.gif G117792LWBI001.GIF GRAPHIC 86 g117792lwbi002.jpg G117792LWBI002.JPG GRAPHIC 87 g117792pai001.jpg G117792PAI001.JPG GRAPHIC 88 g117792pci001.jpg G117792PCI001.JPG GRAPHIC 89 g354030.jpg G354030.JPG GRAPHIC 90 g980247.jpg G980247.JPG GRAPHIC 91 g889125.jpg G889125.JPG GRAPHIC 92 g63047.jpg G63047.JPG GRAPHIC 93 g991038.jpg G991038.JPG GRAPHIC 94 g765863.jpg G765863.JPG