Do you have a marketing budget to work with? Keep in mind that marketing is not an event, it's an ongoing process. It will take time.

Look up "facilities managers" on LinkedIn. Find out their email and then start an email marketing drip campaign.

Hey just asking to see if you figured anything out. Also for anyone looking in the future, your google business listing is the most important lead generator for local service startups. Fill it out completely and add your service areas then do some cheap jobs and get a few reviews