Yes, there are several coupon codes available for stockmfg.co. Here are some of them:
- 20% Off Sitewide with Promo Code WELCOME20
- 20% Off Sitewide with Promo Code TPP20
- Up to 60% Off Sale Items
- Free Shipping on Orders Over $75
- 50% Off Select Workwear Items
Please note that these codes might be subject to terms and conditions of the website, and may expire after a certain period. It's always a good idea to check the website for the latest deals and promotions.