McDonald's was ranked the biggest restaurant chain in the US. Here are the other chains that topped the list.

Technomic ranked the biggest fast-food, fast-casual, and casual-dining chains in the US.

Irene Jiang / Business Insider

• Technomic ranked the biggest restaurant chains in the US.
• Its annual list included fast-food, fast-casual, and casual-dining chains.
• Texas Roadhouse moved up four places in the ranking compared to last year's list.

It's a full-on food fight as taco chains, burger joints, and sandwich shops all vie to become the biggest restaurant chain in the US.