Shergill, you have started another one of my favorite topics. I did some report on this in my University here in US, about Tractor Industry in Pakistan. From 1960s, there have been several Tractor Assemblers/Manufacturers in Pakistan. Pakistan Tractors Association was formed in 1980s.
The Tractor makers now have highest indiginization achieved in automobile industry in Pakistan, upto 95%.
These are few that make tractors in Pakistan, that I know of
1) Millat (Nation) Tractors
http://www.millat.com.pk
Makes Tractors with highest indiginization, 95%, under collaboration with Massey Ferguson of UK. Perkins Engines are also made 100% in Pakistan by Millat Tractors Pvt. Limited of Pakistan.
2) Fiat Tractors
3) Al Ghazi Tractors
4) John Deere of USA(Latest entry), Green color.
Few others...
Tractor Engines, Transmissions, are those critical components are entirely made in Pakistan. Millat Tractors has been making tractors in partnership with Massey Ferguson of UK, since 1960s.
Here are Famous Millats

MF240
Most economical in 50 HP range
Rugged, maneuverable and compact
Easy accessability to service points
Ideal, versatile, all round tractor
Spring suspension deluxe Seat
Availability of parts and service
facilities at your doorstep

MF260
High performance, fuel efficient, Perkins Turbocharged Engine
Less Smoke emmission due to better fuel burning
Oil cooler added for effective cooling
High PTO power for efficient operation of Tube Wells, Rotavators, Threshers etc.
Robust Straddle Rear Axle
Efficient oil immersed Disc Brakes
Spring suspension deluxe seat

MF375S
Environment friendly, High performance Perkins 4.41 Engine
Oil Cooler for effective cooling
Gaseous Emmisions under ECE R49
Robust Straddle Rear Axle
Efficient oil-Immersed Disc Brakes
Heavy-Duty Front Support
Spring Suspension Deluxe Seat
Easy Accessibility to Service points
Heavy-Duty Spindle and Steering Arm
Specious Operator's Area
New Sheet Metal Style

MF385
HighPerformance 4.41, low noise Engine
Gaseous Emmissions under ECE R49
Reduced Smoke Level
Oil Cooler added for effective cooling
Hydrostatic Power Steering
Efficient Oil Immersed Disc Brake System
Spring Suspension Deluxe Seat
Easy Accessibility to Service points

MF3854WD
EDGE OVER 2WD
Traction (30% More)
Drawbar Power (16% More)
Drawbar Pull (34% More)
Tyre Wear (15% less)
Fuel Efficiency (15% More)
Field Work Speed (13-20% More)

Millat also locally makes a ton of other industrial and agricultural implements.
Millat Generating Set

Millat Generating Set-2

Millat Prime Mover

Millat Fork Lift

Offset Disc Harrow Model [MT-03 (M)]
The offset Disc Harrow has a heavier weight per Disc and thus have the penetration ability to break down large clods normally left after disc ploughing or Chisel Ploughing in hard grounds. It is a robust construction, used as mounted or trailed and ideal for chopping and mixing of stubbles and crop residues in the soils. The disc Harrow prepares the seed-bed leaving the soil in granular form which is the most suitable structure for plant growth. It aerates the soil, helps to conserve moisture for longer periods and eradicates weeds. In sandy loam soils, this implement can also be used as primary tillage implement. the depth of ploughing is regulated simply by manipulating the offset angles of the guages. By removing simply a pin, the mounted positoin can be converted into trailed position and vica versa.
Millat Offset Disc Harrow

Millat Blade

Millat Disc Plough

Millat Loader

Millat Tine Tiller

Millat Jib Crane

Millat Post Hole Digger

Millat Trailer

Millat Lawn Mower implement.

Millat Chisel Plough

Millat Multi Purpose Rear Blade

Millat Mould Board

Millat Ridger

Plus many other things, made by Millat Tractors of Pakistan, and many other Tractors makers.
P.S. Millat Tractor is also helping Adam Motors, make the transmission system for REVO car, in Pakistan. 