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spg3 is more then an architectural firm. We bring thirty years of carefully built relationships to each of our projects. We bring our clients and friends together so we can all benefit from a shared body of knowledge and experiences. Share in our energy, our wit and our creativity. We will help you see beyond the obvious. We will see your problems as opportunities. Talk To Our Experts- We will listen to you. We will exceed your expectations.

spg3 Questions

The spg3 annual revenue was $14.5 million in 2026.

Robert Cassway is the Vice president of spg3.

3 people are employed at spg3.

spg3 is based in Philadelphia, Pennsylvania.

The NAICS codes for spg3 are [5413, 541, 54, 54131].

The SIC codes for spg3 are [87, 871].

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