Some companies are seeking remote workers from all states except from Colorado, the WSJ reported.
Colorado enacted a law on Jan. 1 requiring employers to disclose salaries in job listings.
The move was to help ensure equal pay for equal work.
Colorado passed a law that required employers tell prospective employees how much a job pays - and six months later companies are rejecting applicants from the state altogether.
Johnson & Johnson, McKesson, CBRE Group, and Cardinal Health recently posted job listings seeking workers in every US location "except Colorado," The Wall Street Journal's Chip Cutter reported on Thursday.
"Work location is flexible if approved by the Company except that position may not be performed remotely from Colorado," read two Johnson & Johnson job listings for a commercial finance senior manager and a senior manager in operations, according to The Journal.
The job listings do not explain why the work cannot be performed in Colorado.
As of January 1, Colorado law mandated employers disclose the hourly or salary compensation or range in all job postings.
Colorado enacted the rule to ensure equal pay for equal work. A 2020 report from the National Women's Law Center found gender wage gaps are narrower in fields that require salary range transparency in job postings.
Women who were full-time, year-round employees made 82.3 cents for every dollar men made in 2019. Research from McKinsey found women negotiated for promotion and raises more often than men, but were less likely to receive them - in part because women who negotiate are 30% more likely to receive feedback stating they are "intimidating," "too aggressive," or "bossy."
Career experts told Insider's Erin McDowell asking the salary range before interviewing can be tricky, as employers are turned off by applicants that appear unprofessional, and online salary crowdsourcing sites like Glassdoor and Payscale can be inaccurate.
Johnson & Johnson, McKesson, CBRE Group, and Cardinal Health were not immediately available for further comment.
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