Worksites

CSL Behring L.L.C. — H-1B worksites

Every place of employment declared on CSL Behring L.L.C.'s certified labor condition applications. A worksite is where the sponsored work is performed, which is not necessarily the company address — and the count beside each is filings naming that site, not people working at it.

Worksites
6

Distinct addresses declared as a place of employment.

States
5

Where the declared work happens, which is not where the company is registered.

Busiest site
King of Prussia, PA

3 filings name this site.

Concentration
25%

Share of worksite filings at that single busiest site. A high number means relocation, not remote work, is the default assumption.

By state

Worksites rolled up to the state on the filing. Each state links to every H-1B sponsor with work there, not only this one.

Filings can name several worksites, so state totals do not have to add up to the employer's filing count.
StateCodeWorksitesCitiesFilings
PennsylvaniaPA216
IllinoisIL112
North CarolinaNC112
MassachusettsMA111
WashingtonWA111

All 6 worksites

Ranked by how many filings name the site. Addresses are reproduced exactly as written on the application — nothing is geocoded, deduplicated by fuzzy match, or corrected.

12 worksite filings in total. A count is filings naming the site, not people at it.
City and stateWorksite address as filedCountyFilingsShare
King of Prussia, PA1020 First Avenue19406325.0%
King of Prussia, PA1020 First Ave19406325.0%
Kankakee, IL1201 N. Kinzie Ave.60915216.7%
Holly Springs, NC475 Green Oaks Pkwy27540216.7%
Waltham, MA225 Wyman Street0245118.3%
Redmond, WA15791 Bear Creek Pkwy9805218.3%

Two addresses appear in this dataset and they answer different questions. The employer address on the company page identifies the legal entity — with the phone number and NAICS code, it is how you tell two companies with the same name apart. A worksite is where the work is performed, and for an employer that places workers at client sites the two are rarely the same place. How these pages are built.