Walmart is facing criticism for allegedly profiting from unfair labor practices.

More than 130,000 people have signed a petition on Change.org calling on Walmart to stop doing business with a seafood supplier accused of labor law violations.

Supervisors at CJ Seafood, which relies on Walmart for 85 percent of its business, allegedly forced Mexican guest workers into labor for up to 24 hours at a time without paying overtime. They locked them in a plant in Breaux Bridge and threatened them with beatings, according to Ana Gomez, the guest worker who created the online petition.

Walmart suppliers are not allowed to force labor or require excessive working hours, according to Walmart's written standards.

But this isn't the first time the retailer has done business with a company accused of breaking those rules. Last year, warehouse workers in California sued Walmart contractor Schneider Logistics for allegedly shortchanging pay, providing poor labor conditions and threatening to fire workers for filing complaints.