When it comes to semi truck accessories, there are limited options for customization due to the specific nature of these vehicles and the need to adhere to safety standards. However, there are still some ways to personalize or customize certain accessories:

1. Mud Flaps: Some manufacturers offer the option to customize the design on mud flaps. You can add your company logo, name, or any other custom artwork that reflects your brand or personal style.

2. Custom Floor Mats: Consider getting floor mats customized with your company logo, name, or any other design that suits your preferences.

3. Seat Covers: Look for companies that offer custom seat covers where you can choose the color, material, and even add company logos or embroidery.

4. Exterior Lighting: While customization options may be limited, you can select different types of LED lights with various colors and patterns to enhance the appearance or functionality of your semi-truck.

5. Grill Inserts: Some manufacturers provide custom grill inserts that can be tailored to fit your specific truck model and can feature personalized designs or emblems.

Remember to check local regulations and ensure that any modifications or additions made to your semi-truck comply with safety standards. Additionally, always prioritize safety and functionality when customizing accessories for your semi-truck.