They may have a “U.S. addresses” but Facebook suggests they’re in Pakistan. They have got awards logos on their website from 2020 (the website didn’t exist until 2024). There are actually bad opinions on copyright regarding their modifying services. We couldn’t locate the featured book on their homepage on Amazon. https://maplepublishers.com/blog/5-considerations-when-hiring-a-book-illustration-agency-or-a-professional/