Patrick Theis is the Managing Director and Partner of Drees & Sommer.
2,486 people are employed at Drees & Sommer.
Drees & Sommer is based in Stuttgart, Baden-Württemberg.
The NAICS codes for Drees & Sommer are [237, 23721, 237210, 23, 2372].
The SIC codes for Drees & Sommer are [871, 87].