- Changrungreng Panich Ltd., Part.
171 Moo 3, Chiang Mai-Lampang Superhighway Rd. – 053-421138-40
- Charoensri Kahapun Ltd., Part.
99/9-11 Mahidon Rd. – 053-277164, 053-274358
- Chiang mai Kamollohakit Ltd., Part.
169/4-5 Chang Phuak Rd. – 053-222537
- Chiang mai Kamolwit Ltd., Part.
56 Kaew Nawarat Rd. – 053-243538
- Chiang Mai Lampang Parke Sukkhapan Ltd., Part.
140-144 Chang Phuak Rd. – 053-214704
- Chiang mai Material Trading Co., Ltd.
36/1 Muang Samut Rd. – 053-232623
- Chiang mai Sangamnuay Ltd., Part.
548 Chiang Mai-Lampang Superhighway Rd. – 053-242689, 053-242861
- Chiang Mai Thamrongphan Ltd., Part.
359/9 Mahidon Rd. – 053-281596-9
- Chiang mai Tharaphan Co., Ltd.
56-58 Charoen Prathet Rd. – 053-248127
- Chiang Mai Tools Co., Ltd.
70/5-7 Chiang Mai-Lampang Superhighway Rd. – 053-246931, 053-855235-8
- Chiang Mai Weerakit Ltd., Part.
14/1 Wualai Rd. – 053-275148, 053-273517
- Chiang mai Weeraphanich Ltd., Part.
44-44/5 Moo 5, Chiang Mai-Lampang Superhighway Rd. – 053-240722, 053-852345-50
- Chiang Mai-Lampang Pake
140-144 Chang Phuak Rd. – 053-214704, 053-215004
- Chiang Mai-Veeravisawakan Ltd., Part.
44-44/1-2 Moo 5, Chiang Mai-Lampang Superhighway Rd. – 053-853100-4
- Chiew Sanguan Lanna Engineering Co., Ltd.
137/2 Canal Rd. – 053-277800
- Chotana Panich (screw)
149/4 Chang Phuak Rd. – 053-222909
- Dinco Nakhonping Co., Ltd. (paint)
207/1 Kaew Nawarat Rd. – 053-245705, 053-242061
- Jaisunwatsadupan Ltd., Part.
223/19 Moo 1, Chiang Mai-Lamphun Rd. – 053-227390
- Jangyonghengseng Co., Ltd.
65-71, 81-85 Charoen Muang Rd. – 053-241643, 053-245935, 053-243858
- K. Phatthanasin Ltd., Part.
17/1 Sri Phum Rd. – 053-213975, 053-222008, 053-211516
- Kittivibool Co., Ltd.
137/2 Moo 4 – 053-243703, 053-244414
- Krung Thong Construction
69 Bunruangrit Rd. – 053-282053, 053-202583
- Maynatai Constrution Ltd., Part.
459/24-25 Charoen Muang Rd. – 053-245360
- Montrimachine Tools Co., Ltd.
230/1 Moo 3, Chiang Mai-Lampang Superhighway Rd. – 053-216857, 053-218807, 053-212311
- Nakornping Concrete Ltd., Part.
167 Moo 5, Chiang Mai-Lampang Superhighway Rd. – 053-321024
- Nopadol Panich Co., Ltd.
392 Chiang Mai-Lampang Superhighway Rd. – 053-270374-81
- Panich Viboon Chiang Mai Co., Ltd.
192-192/1-4 Chang Phuak Rd. – 053-211909
- Paradon Industry Factory Co., Ltd. (brick)
324 Moo 1 – 053-430269
- Paradorn Brick Co., Ltd.
321 Moo 6, Chiang Mai-Hot Rd. – 053-271577, 053-273736
- Piboon Khonkrit Co., Ltd.
263/1 Moo 10 – 053-849434-8
