Starbucks baristas in Colorado Springs continue picketing as the longest unfair labor practices strike in the company’s history persists, while the Seattle-based coffee giant maintains the efforts have had minimal impact on its stores and customers across the U.S.

The Starbucks at 4465 Centennial Boulevard on the city’s west side is operating irregularly amid the open-ended nationwide strike that began on Nov. 13 and recently entered its third week, employees who were on site around noon on Monday confirmed.

Most of the store’s roughly 20 employees are striking, which is affecting operations, shift supervisor Raven Caruth said.

Workers are demanding a labor contract that will improve staffing, hours, take-home pay and on-the-job protections for baristas. They’ve also called on Starbucks to resolve hundreds of unfair labor practices charges.

The store was closed by early afternoon on Monday and the drive-thru blocked off. A sign on the front door alerted customers it was open only between 7-11 a.m. that morning.

A second unionized Starbucks location at 8193 Carmela Grove was open and appeared to be operating as usual late Monday morning.

Baristas and their supporters picketed at both Starbucks locations when the strike began Nov. 13. Starbucks Workers United previously said more than 1,000 baristas began picketing in 65 stores across more than 40 cities in the U.S. that day.

It coincided with the Seattle-based coffee brand’s annual Red Cup promotion that marks the start of Starbucks’ holiday season and is typically among the company’s busiest days.

Starbucks said by email Monday afternoon this year’s Red Cup Day was the strongest in its history, and the company’s largest sales day ever in North America.

The strike has grown since then, with 2,500 baristas from more than 120 stores in 85 cities now engaged as of Friday, Starbucks Workers United confirmed. More than 125,000 people have signed the “No Contract No Coffee” pledge not to purchase Starbucks during the strike, the union said in a Friday news release.

Starbucks said again this week that fewer than 1% of its 17,000 U.S. coffeehouses “are experiencing any level of disruption” from the ongoing strike.

The company has disputed figures provided by the union since before the strike began. On Monday, Starbucks said only 49 coffeehouses were impacted during the first week and 29 of those locations have reopened. Many stores never closed at all and many people who were on strike have returned to work, Starbucks said.

The Centennial location has hosted multiple picket lines over the last three weeks. Another is scheduled for 8-10 a.m. Thursday, Starbucks Workers United told The Gazette. The union’s strike website, nocontractnocoffee.org, also lists upcoming picketing events at Starbucks locations across the country.

No upcoming picketing events are scheduled at the Carmela Grove location, the website shows.

Starbucks Workers United said again by email on Tuesday that baristas in 550 unionized stores across the country will keep escalating the strike if no “substantial progress” is made to finalize a fair union contract.

Starbucks said it doesn’t “anticipate any meaningful disruption.”

The union and the company have blamed each other for stalled bargaining talks since April. Union employees and Starbucks have both said they are ready to begin negotiations again.